IEEE Conformity Assessment Program (ICAP)

Standards Conformance Solutions Enabling Market Implementation

Precision Time Protocol – Power Profile

Precision Time Protocol Power Profile image

The IEEE 1588 Power Profile Certification Program is being developed by industry stakeholders to assess conformance to IEEE 1588™-2008 for devices implementing Precision Time Protocol in substations and between substations, in large geographical areas. The Certification Program will provide an evaluation and certification methodology to ensure that Network Clocks meet requirements in IEC/IEEE 61850-9-3-2016 and IEEE C37.238™–2016.

Dynamic distributed measurements and control systems are time sensitive which can be challenging given the large spatial expanse of the power grid’s interconnections. In distributed control where scheduling of resources, seamlessly orchestrated coordination, and hard deadlines must be met, measurement data, state estimators and control commands are temporally valid for a specific, sometimes brief, duration. In order to provide the common time reference for correct temporal behavior, all systems must be synchronized within one microsecond to a traceable time and frequency source.

Role of the IEEE 1588 Power Profile Conformity Assessment Steering Committee

The IEEE 1588 Power Profile Conformity Assessment Steering Committee (CASC) is comprised of notable experts from Utilities, Manufacturers, Test Labs and Academia specialized in the field of timing and network synchronization for power systems networks. The role of the CASC is to evaluate and approve a comprehensive test suite specification and recommend for approval all related technical documents that will form the basis of the IEEE 1588 Power Profile Certification Program. CASC member activities include:

  • Guidance toward the development of Test Suite Specification (TSS)
  • Acts by advisors in the development, implementation and operation of an IEEE 1588 Power Profile Certification Program.
  • Advice on requirements for third party testing laboratories

For more information, please contact the ICAP Team.